Error: curl: (60) SSL certificate problem, verify that the CA cert is OK curl -o test.wsdl https://ems.example.com/ws/emsInterfacePor...

Error: YUM fails with following Error: M2Crypto.SSL.SSLError: sslv3 alert handshake failure Solution: 1. Move the Repo files to ot...

How to Integrate AD Authentication in Graylog? Its always been boring to create User manually in every application. So we can integrat...

How to Take Backup Of MySQL/MariaDB Database and Restore it.. Backup of MySQL database with the native tools is something that most the My...

How to Configure Read Only Mount Points Check in Nagios? Nagios 1. Download the check_ro_mounts plugin from here . 2. Define comm...

Error: [root@example ~]# /usr/lib64/nagios/plugins/check_ro_mounts Can't locate utils.pm in @INC (@INC contains: /usr/lib/nagios/plug...

How to Create Roles in Graylog? Solution: In graylog server run following command to create a role. Change your password and IP as ...

How to Grow xfs File system online. Solution: 1. Create a physical volume pvcreate /dev/sdc 2. Extend VG vgextend vgdb /dev/sdc ...

Install Jenkins, NGINX on CentOS 7.3 & Configure jenkins through NGINX. 1. Install CentOS 7.2 2. Update the OS. yum install e...